{"title":"低性能嵌入式系统中FAT文件系统的缓存机制","authors":"Jeaho Hwang, K. Won","doi":"10.1109/ICACT.2016.7423563","DOIUrl":null,"url":null,"abstract":"FAT file system is one of the most common file systems on various targets and operating systems. However, it has a performance issue on sequential writing to low-bandwidth storage due to reading FAT area and directory entries. In this paper, we design and implement an efficient FAT caching mechanism for sequential writing to low-bandwidth. The mechanism consists two parts: metadata cache and whole FAT read-ahead cache. As a result, we show 20x improvement for sequential writing to low bandwidth storage with our caching mechanism.","PeriodicalId":125854,"journal":{"name":"2016 18th International Conference on Advanced Communication Technology (ICACT)","volume":"108 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"A caching mechanism for FAT file system in low-performance embedded system\",\"authors\":\"Jeaho Hwang, K. Won\",\"doi\":\"10.1109/ICACT.2016.7423563\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"FAT file system is one of the most common file systems on various targets and operating systems. However, it has a performance issue on sequential writing to low-bandwidth storage due to reading FAT area and directory entries. In this paper, we design and implement an efficient FAT caching mechanism for sequential writing to low-bandwidth. The mechanism consists two parts: metadata cache and whole FAT read-ahead cache. As a result, we show 20x improvement for sequential writing to low bandwidth storage with our caching mechanism.\",\"PeriodicalId\":125854,\"journal\":{\"name\":\"2016 18th International Conference on Advanced Communication Technology (ICACT)\",\"volume\":\"108 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1900-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2016 18th International Conference on Advanced Communication Technology (ICACT)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICACT.2016.7423563\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2016 18th International Conference on Advanced Communication Technology (ICACT)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICACT.2016.7423563","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A caching mechanism for FAT file system in low-performance embedded system
FAT file system is one of the most common file systems on various targets and operating systems. However, it has a performance issue on sequential writing to low-bandwidth storage due to reading FAT area and directory entries. In this paper, we design and implement an efficient FAT caching mechanism for sequential writing to low-bandwidth. The mechanism consists two parts: metadata cache and whole FAT read-ahead cache. As a result, we show 20x improvement for sequential writing to low bandwidth storage with our caching mechanism.
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